Wheel-plow.



No. 704,240. Paten'wdv July 0,1902.

B. CROSS.

WHEEL PLOW.

(Application filed May B, 1902.)

2 Sheeis-Sheet l.

(No Model.)

Illw

No. 704,240. Patented July 8, i902.

B. CROSS.

WHEEL PLOW.

(Application filed May 8, 1902,)

2 Sheets-Sheet 2.

" (No Modei.)

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UNITED STATES PATENT OFFICE.

BRADFORD CROSS, OF CANTON, ILLINOIS, ASSIGNOR TO IARLIN tb OREN DORFFCOMPANY, OF CANTON, ILLINOIS, A CORPORATION OF ILLINOIS.

WHEEL-PLOW.

SPECIFICATION forming part Of Letters Patent No. 704,240, dated July 8,1902.

Application filed May 8,1902. Serial No. 106,464. (No model.)

To @ZZ whom it ntay concern:

Be it known that I, BRADFORD CROSS, ofthe city of Canton, county ofFulton, and 'State of Illinois, have invented certain new and usefulImprovements in W'heel-Plows, of which the following is a specification.

This invention is particularly applicable to lister-plows having planterattachments; and it relates to means for raising and lowering theplow-beam and to means for controlling the suck of the plow.

The invention is exemplified in the structure hereinafter described, andit is defined in the appended claims.

In the drawings forming part of this speciiication, Figure 1 is a sideelevation of a combined plow and planter embodying my invention, a partof the plow-frame being broken away to expose the plow-beam and the beambeing shown lowered into operative position. Fig. 2 is a side elevationsimilar to Fig. 1, except that the plow-beam and the adjuncts thereofare shown raised from contact with the ground. Fig. 5 is an enlargeddetail of the parts most directly connected with my improvement, theplow and planter being shown in one position in solid lines and inanother position in dotted lines. Fig. 4 is a detail of the adjustingdevice used to vary the suck of the plow, such detail being taken fromthe side opposite that shown in Fig. 3.

The frame 1 may be of any desired construction, and it is supported bywheels 18 and 19. bearings at 2. It extends rearward from its bearings,and it connects with the plow-beam through a swinging link 12. Anotherbail 5 is pivoted at 3 in bearings in the frame. It also extendsrearward, and it connects pivotally at its rear end with a fixed bearingon the plowbeam. An arm 13 is rigidly attached to bail 5, and it extendsupward therefrom. An arm 16 extends upward from bail 4 and is rigidlyattached thereto, and a bar 15 is connected pivotally at its ends witharms 13 and 16. One of the ends of bar 15is slotted lengthwise, as shownat 15a in Fig. a. A face of the bar is corrugated adjacent to the slot.A correspondingly-corrugated block 14 fits against the corrugated face,and a pin or bolt extends from the block through the slot. The arm 13connects pivotally with block 1li.

A bail 4 is pivoted at its ends ininclination of bails 4 and 5 may bevaried thereby. 'A lever S is pivoted at 7 on a rackstand 6, attached tothe plow-frame, and it has an extension 9, which connects with a lug onarm 13 through link 10. The lever 8 is a lock-lever, and the rack-standhas a notched sector 17, with which the lever coacts in holding theplow-beam in its Various positions. The tongue of the plow is shown at20, and at 21 is shown a spring which is preferably used tocounterbalance the weight of the plow andthe planting mechanism.

The lever 8 is swung back and forward to raise and lower therearwardly-extending bail 5, and the motion of bail 5 is transmitted tobail 4 through arms 13 and 16 and the connecting-bar 15. The connectionof bar 15 with arm 13 is farther from the pivot 3 of bail 5 than theextended end of arm 16 is from thepivot of bail 4, and consequently acertain movement of bail 5 will produce a more extended swing in baila.This causes the front end of the beam to rise and fall more rapidly thanthe rear end and gives the plow the pitch desired to make it readilypenetrate the soil as the beam is lowered and ride out thereof as thebeam ,is raised. The extent of swing of the bails is relativelyinvariable after block 14 has been fastened in any desired position; butthe relative inclination of the bails may be varied somewhat by adjusting the block, and such variation will give the plow more or less suck byvarying the angle the point of the plow forms with the soil whilepenetrating the same. The swinging link 12 permits adjustment of thebails and facilitates their operation. I

The plow is in this instance shown provided with a seed-hopper, asubsoiler, and coveringdisks in addition to the plow, and these may beof any desired construction. In a complete plow there isa pair of wheels18, placed one on each side of the frame, and the rear caster-wheel 19is preferably of the divided type to avoid picking up the soil above theseed and displacing the corn. The frame extends well in front of thespindles of wheels 18, so that the tongue has good control over IOO theframe and enables straight driving to be easily eifected. The two bailshold the beam against lengthwise tip and insure uniform depth of plowingafter the lock-lever is once set in the desired position. The depth ofplanting is regulated by the lock-lever, and all movements of the beamare controlled by it alone.

While the invention is especially adapted for a combined lister plow andplanter, it will readily be seen that" the movements of the beam of anysulky-plow may be advantageously manipulated and controlled-by themechanism herein described.

I claiml. In a wheel-plow, the combination of a frame supported onwheels, a plow-beam having a plow attached thereto, a pair of bailspivoted in the frame, one in front of the other, and both connectedpivotally with the plowbeam and a strut-bar to transmit t-he motion ofone bail to the other.

2. In a wheel-plow, the combinationof a frame supported on wheels, aplow-beam having a plow attached thereto, a bail pivoted in the frameand connected pivotally with the plow-beam, a second bail pivoted in theframe in front of the first-named bail, a swinging link connecting thefront bail with the plowbeam, and astrut-bar to transmit motion from onebail ro the other.

3. In a wheel-plow, the combination of a frame supported on wheels, aplow-beam having a plow attached thereto, a pair of bails pivoted in theframe, one in front of the other,

with the rear bail connecting pivotally with the plow-beam, a swinginglink connecting the front bail with the plow-beam, arms attached to thebeams and extended upward therefrom, and a strut-bar connected pivotallyat its ends with the arms of the bails, the connection of the rear endof the bar being farther from the pivot of the bail than the connectionof the front end.

4. In a wheel-plow, the combination of a frame supported on wheels, aplow-beam having a plow attached thereto, a pair of bails pivoted in theframe, one in front of the other, with the rear bail connectingpivotally with the plow-beam, a swinging link connecting the front bailwith the plow-beam, arms attached to the bails and extended upwardtherefrom, and an adjustable strut-bar connected at its ends with thearms of the bails and forming a longitudinally-extensible connectionbetween the arms.

5. In a wheel-plow, the combination of a frame supported on wheels, aplow-beam hav` ing a plow attached thereto, a pair of bails pivoted inthe frame, one in front of the other, and connected pivotally with theplow-beam, a strut-bar connecting the bails, a lift-lever, and a linkconnecting the lift-lever with the rear bail.

In testimony whereof I sign my name in the presence of two subscribingwitnesses.

BRADFORD CROSS. lVit-nesses:

W. F. MOORE, C. B. CHANDLER.

